RegExp.prototype.unicode

The unicode property indicates whether or not the "u" flag is used with a regular expression. unicode is a read-only property of an individual regular expression instance.

Property attributes of RegExp.prototype.unicode
Writable no
Enumerable no
Configurable yes

Description

The value of unicode is a Boolean and true if the "u" flag was used; otherwise false. The "u" flag enables various Unicode-related features. With the "u" flag, any Unicode code point escapes will be interpreted as such, for example.

You cannot change this property directly. It is read-only.

Examples

Using the unicode property

var regex = new RegExp('\u{61}', 'u');

console.log(regex.unicode); // true

Specifications

Specification
ECMAScript (ECMA-262)
The definition of 'RegExp.prototype.unicode' in that specification.

Browser compatibility

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See also